Air Exchangers
Lennox M33D 3×3 Ceiling Cassette 23.8 SEER −25 °C

h3>Lennox M33D 3×3 – Quiet 4-Way Ceiling Cassette by Thermolux

From the donor page and Lennox literature: R-32 refrigerant, low indoor sound from 30 dB, four-way distribution with “Calm Air” fascia, built-in Wi-Fi with SmartThings, and heating operation down to −25 °C. The 3×3 cassette fits standard 36″×36″ grids (panel ~37.38″×37.38″). Thermolux ensures transparent pricing, free on-site evaluations, and certified installation throughout Greater Montreal.

SEER: 23.8 dB: 30 Model #: M33D018S6, M33D024S6, M33D030S6 AHRI #: °C: -25 Serie: Lennox M33D 3×3 Ceiling Cassette

Efficiency

Up to
23.8 SEER
Up to
EER
Up to
9.6 HSPF
Ultra heat down to
-25 °C

BTU

18,000 BTU
600 – 1000 sq ft
24,000 BTU
800 – 1,300 sq ft
30,000 BTU
1,200 – 1,600 sq ft

Characteristics

EFFICIENCY
  • Up to 23,8 SEER
  • Up to EER
  • Up to 9,6 HSPF
  • Ultra heat down to −25 °C
PERFORMANCE
  • Quiet Operation 30 dB
  • Non-ozone depleting R-32 refrigerant
TECHNOLOGY
  • Inverter-driven system
  • Built-in condensate pump
  • SmartThings app compatibility
  • Intelligent self-diagnostics
AESTHETICS
  • Four-way 3×3 cassette panel
  • Flush ceiling-mounted design
  • “Calm Air” micro-perforated fascia
SUBSIDIES
  • LogisVert
  • Up to $

Warranty

  • No warranty

Download

Product Brochures

Notes

  • No warranty

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